-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Vk7j10JYo+jriuHFY9E4DFs3ambXDUeIEkD8odJK4NVg2b6lA6/ekVMKVZLKJG+3
 JuKlfSvVPWnXPDICfHrpzw==

<SEC-DOCUMENT>0001279346-06-000001.txt : 20060110
<SEC-HEADER>0001279346-06-000001.hdr.sgml : 20060110
<ACCEPTANCE-DATETIME>20060110103052
ACCESSION NUMBER:		0001279346-06-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060110
FILED AS OF DATE:		20060110
DATE AS OF CHANGE:		20060110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MINE SYSTEMS DESIGN INC
		CENTRAL INDEX KEY:			0001279346

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28837
		FILM NUMBER:		06521087

	MAIL ADDRESS:	
		STREET 1:		PO BOX 1019
		CITY:			KELLOGG
		STATE:			ID
		ZIP:			83837

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEW JERSEY MINING CO
		CENTRAL INDEX KEY:			0001030192
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		IRS NUMBER:				820490295
		STATE OF INCORPORATION:			ID
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		89 APPLEBERG RD
		STREET 2:		PO BOX 1019
		CITY:			KELLOGG
		STATE:			ID
		ZIP:			83837
		BUSINESS PHONE:		208-783-3331

	MAIL ADDRESS:	
		STREET 1:		89 APPLEBERG ROAD
		STREET 2:		PO BOX 1019
		CITY:			KELLOGG
		STATE:			ID
		ZIP:			83837
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001030192</issuerCik>
        <issuerName>NEW JERSEY MINING CO</issuerName>
        <issuerTradingSymbol>NJMC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001279346</rptOwnerCik>
            <rptOwnerName>MINE SYSTEMS DESIGN INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 1019</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>KELLOGG</rptOwnerCity>
            <rptOwnerState>ID</rptOwnerState>
            <rptOwnerZipCode>83837</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.357</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8834550</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks>Shares for office rent</remarks>

    <ownerSignature>
        <signatureName>Fred W. Brackebusch</signatureName>
        <signatureDate>2006-01-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
